Akira (ransomware)

Common card · No. 416066

Akira is ransomware which emerged in March 2023. It targeted over 250 entities including: US energy firm BHI Energy, Nissan Australia, the Finnish IT services provider Tietoevry, and Stanford University. The group has also claimed responsibility for a ransomware attack on the Toronto Zoo, though the zoo has not linked the incident to any particular threat actor. Akira is offered as ransomware-as-a-service. Akira is estimated to have earned up to $42 million from its inception in March 2023, until April 2024. An updated joint advisory from the FBI, CISA and other agencies, published in November 2025, said that as of late September 2025 Akira had claimed approximately $244.17 million in ransomware proceeds.

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